general anesthesia, or loss of feeling due to exposure to certain chemical vapors, may be accompanied by loss of consciousness
Stupor or unconsciousness produced by some narcotic drug or chemical NAUSEA - Tendency to vomit, feeling of sickness of the stomach NECROSIS - Local death of tissue NEPHRITIS - Inflammation of the kidneys NEPHROTOXIN - A chemical which produces kidney disease NEURITIS - An inflammation of a nerve NEUROTOXIN - A chemical which affects the nervous system NFPA - National Fire Protection Association NIOSH - National Institute of Occupational Safety and Health NTP - National Toxicity Program of the EPA NYSTAGMUS - Spasmic, involuntary motion of the eyeballs